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प्रश्न
The property of splitting of white light into its seven constituent colours is known as
विकल्प
rectilinear propagation
refraction
reflection
dispersion
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उत्तर
dispersion
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संबंधित प्रश्न
Define the term dispersion of white light.
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
The coloured light having the maximum speed in glass prism is:
(a) blue
(b) green
(c) violet
(d) yellow
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
You are given a disc divided into seven sectors with colours violet, indigo, blue, green, yellow, orange and red in them. What would be its colour when it is rotated rapidly?
The phenomenon of splitting of light into its component colours is ___________ .
Write three conditions necessary to obtain a pure spectrum on a screen. Name the instrument in which the conditions stated by you are fulfilled.
In the diagram, a narrow beam of white light is incident on a right-angled isosceles prism. The critical angle of the material of prism for the yellow colour of white light is 45°. Complete the diagram to show the path of blue, yellow, and red colours of white light till they emerge out of the prism.
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
What is a rainbow?
